Spec Sizes

Porsche Cayenne vs GMC Acadia Dimensions & Size Comparison

Comparing 2021 catalog dimensions. Porsche Cayenne · GMC Acadia

Same scale for both vehicles. Generic silhouette — proportional to measured length, height, width, wheelbase, and clearance.

Side view
  • Length193.7 in – 194.0 in
  • Height65.5 in – 66.8 in
  • Wheelbase114.0 in
  • Ground clearance6.6 in – 7.0 in
  • Curb weight4,582 lb – 5,056 lb
Front / width
  • Width78.1 in
  • GMC Acadia width75.4 in

Which is bigger?

  • Length: GMC Acadia is 0.4 in shorter (193.8 in vs 193.4 in)
  • Width: GMC Acadia is 2.7 in narrower (78.1 in vs 75.4 in)
  • Height: GMC Acadia is 0.5 in taller (66.2 in vs 66.7 in)
  • Wheelbase: Porsche Cayenne has a 1.5 in longer wheelbase (114.0 in vs 112.5 in)
  • Ground clearance: GMC Acadia has 0.4 in more ground clearance (6.8 in vs 7.2 in)
  • Curb weight: Porsche Cayenne is 663 lb heavier (4,819 lb vs 4,157 lb)

Biggest size differences

  1. Curb weight: Porsche Cayenne is 663 lb heavier (4,819 lb vs 4,157 lb)
  2. Ground clearance: GMC Acadia has 0.4 in more ground clearance (6.8 in vs 7.2 in)
  3. Width: GMC Acadia is 2.7 in narrower (78.1 in vs 75.4 in)
  4. Wheelbase: Porsche Cayenne has a 1.5 in longer wheelbase (114.0 in vs 112.5 in)
  5. Height: GMC Acadia is 0.5 in taller (66.2 in vs 66.7 in)

Practical verdicts

  • Easier to fit in a short garageGMC Acadia — GMC Acadia is shorter by 0.4 in Check garage fit for Porsche Cayenne · garage fit for GMC Acadia
  • Narrower for tight parkingGMC Acadia — GMC Acadia is narrower by 2.7 in
  • More ground clearanceGMC Acadia — GMC Acadia has 0.4 in more clearance
  • Smaller exterior footprintGMC Acadia — Based on length × width (GMC Acadia)

Dimension comparison

SpecPorsche CayenneGMC AcadiaDifference
Length193.8 in193.4 in0.4 in
Width78.1 in75.4 in2.7 in
Height66.2 in66.7 in0.5 in
Wheelbase114.0 in112.5 in1.5 in
Ground clearance6.8 in7.2 in0.4 in
Curb weight4,819 lb4,157 lb663 lb

Values use trim midpoints when a model year lists a range (e.g. length 193.7 in – 194.0 in).

Compare by year

Overlapping model years with dimension data.

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